---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-278418"
form_type: "8-K"
ticker: "TSPH"
cik: "0001823593"
company_name: "TuSimple Holdings Inc."
filed_at: "2022-11-07T23:59:59+00:00"
generated_at: "2026-06-22T05:50:41.758281+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# TuSolar updates on CEO termination: lack of candor cited; cooperating with SEC and CFIUS

## Summary
- Dr. Xiaodi Hou terminated as CEO, President, CTO, and Chairman on Oct 30, 2022, due to lack of candor and transparency with the Board.
- Termination was linked to an ongoing Audit Committee investigation.
- Company proactively reached out to SEC and is voluntarily responding to information requests.
- Company also contacted CFIUS (with which it has a National Security Agreement) and is responding to additional inquiries.
- Company states it is not aware of any FBI investigation and has received no FBI inquiries to date.

## SEC filing metadata
- accession: 0001193125-22-278418
- form_type: 8-K
- ticker: TSPH
- cik: 0001823593
- company_name: TuSimple Holdings Inc.
- filed_at: 2022-11-07T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1823593/000119312522278418/0001193125-22-278418-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1823593/000119312522278418/d410500d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-278418
- JSON: https://secwatch.observer/filing/0001193125-22-278418.json
- Plain text: https://secwatch.observer/filing/0001193125-22-278418.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.